package main
import "fmt"
func main(){
	var str = "abcdefghijklmnopqrstuvwxyz"
	
	for i := 0; i < len(str); i++{
		fmt.Printf("str[%d] = %c\t",i,str[i])
	}
	fmt.Println()
	fmt.Println()
	fmt.Println()
	
	for i, date := range str{
		fmt.Printf("str[%d] = %c\t",i,date)
	}
	fmt.Println()
	fmt.Println()
	fmt.Println()
	
	for i := range str{
		fmt.Printf("str[%d] = %c\t",i,str[i])
	}
	fmt.Println()
	fmt.Println()
	fmt.Println()
	
	for date := range str{
		fmt.Printf("%c\t",date)
	}
}